/* ============================================
   联动优势流量卡POS - 共享样式文件
   联动深蓝额度盛宴风
   联动深蓝#1E40AF + 额度金#F59E0B + 盛宴橙#F97316
   ============================================ */

/* ============================================
   1. CSS变量（配色与其他品牌完全不同）
   ============================================ */
:root {
  --uni-blue: #1E40AF;
  --uni-blue-light: #3B82F6;
  --uni-blue-dark: #1E3A5F;
  --gold-quota: #F59E0B;
  --gold-quota-dark: #D97706;
  --orange-promo: #F97316;
  --orange-promo-dark: #EA580C;
  --bg-white: #FFFFFF;
  --bg-page: #EFF6FF;
  --bg-light: #DBEAFE;
  --text-dark: #1E3A5F;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E5E7EB;
  --card-shadow: 0 2px 8px rgba(30,64,175,0.08);
  --shadow-md: 0 8px 24px rgba(30,64,175,0.12);
  --shadow-lg: 0 12px 32px rgba(30,64,175,0.15);
  --radius: 10px;
  --radius-sm: 6px;
  --transition: all 0.3s ease;
}

/* ============================================
   2. 基础样式 reset+字体
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-dm {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
}

a {
  color: var(--uni-blue);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--uni-blue-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 18px;
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 48px;
}

/* ============================================
   3. 导航栏（白色，滚动联动深蓝阴影）
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.98);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(30, 64, 175, 0.12);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--uni-blue);
}

.navbar-logo svg {
  width: 36px;
  height: 36px;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
  position: relative;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--uni-blue);
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--uni-blue);
  transition: var(--transition);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}

.navbar-cta {
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-light));
  color: white !important;
  padding: 10px 24px;
  border-radius: 25px;
  font-weight: 600;
  transition: var(--transition);
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.navbar-cta::after {
  display: none !important;
}

/* 汉堡菜单按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--uni-blue);
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 手机端导航 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(30, 64, 175, 0.1);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  color: var(--text-body);
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--uni-blue);
  padding-left: 8px;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* ============================================
   4. 页脚（联动深蓝渐变）
   ============================================ */
.footer {
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-dark));
  color: white;
  padding: 60px 0 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: white;
}

.footer-logo svg {
  width: 36px;
  height: 36px;
}

.footer-slogan {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.footer-links h4 {
  color: white;
  font-size: 16px;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--gold-quota);
}

.footer-bottom {
  background: var(--uni-blue-dark);
  padding: 20px;
  margin: 0 -20px;
  text-align: center;
}

.footer-info {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 2;
}

.footer-info a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-info a:hover {
  color: var(--gold-quota);
}

/* ============================================
   5. 公共组件：联动深蓝卡片/额度金细线/盛宴橙强调
   ============================================ */

/* 联动深蓝卡片 */
.card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border-top: 4px solid var(--uni-blue);
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-gold {
  border-top-color: var(--gold-quota);
}

.card-orange {
  border-top-color: var(--orange-promo);
}

/* 额度金底部细线 */
.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-quota), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card:hover::after {
  opacity: 1;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 25px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-light));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
  color: white;
}

.btn-orange {
  background: linear-gradient(135deg, var(--orange-promo), var(--orange-promo-dark));
  color: white;
}

.btn-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.3);
  color: white;
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: var(--uni-blue);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-quota), var(--gold-quota-dark));
  color: white;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
  color: white;
}

/* 标签样式 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.tag-blue {
  background: var(--uni-blue);
  color: white;
}

.tag-gold {
  background: var(--gold-quota);
  color: white;
}

.tag-orange {
  background: var(--orange-promo);
  color: white;
}

.tag-light {
  background: var(--bg-light);
  color: var(--uni-blue);
}

/* 胶囊徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 25px;
  font-size: 14px;
  color: white;
  backdrop-filter: blur(10px);
}

/* 网格布局 */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

/* 特色卡片 */
.feature-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border-top: 4px solid var(--uni-blue);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  background: var(--bg-light);
  border-radius: 16px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 对比表格 */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: var(--uni-blue);
  color: white;
  font-weight: 600;
  font-size: 15px;
}

.compare-table th:nth-child(2) {
  background: var(--uni-blue);
}

.compare-table td:first-child {
  background: var(--bg-light);
  font-weight: 600;
  text-align: left;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover td {
  background: var(--bg-page);
}

.highlight-cell {
  background: rgba(30, 64, 175, 0.05) !important;
  font-weight: 600;
  color: var(--uni-blue);
}

.warning-cell {
  color: var(--text-muted);
}

/* 进度条 */
.rating {
  display: flex;
  gap: 4px;
  justify-content: center;
}

.rating span {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--border);
}

.rating span.active {
  background: var(--gold-quota);
}

/* FAQ手风琴 */
.faq-item {
  background: white;
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--uni-blue);
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.faq-icon::before {
  content: '+';
  font-size: 20px;
  font-weight: 300;
}

.faq-item.active .faq-icon::before {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 表单样式 */
.form-group {
  margin-bottom: 16px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: var(--transition);
  background: white;
}

.form-input:focus {
  outline: none;
  border-color: var(--uni-blue);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: white;
  cursor: pointer;
  transition: var(--transition);
}

.form-select:focus {
  outline: none;
  border-color: var(--uni-blue);
}

/* ============================================
   6. 首页专属：Hero(额度+促销动画)
   ============================================ */

/* Hero区 */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(245, 158, 11, 0.15) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  margin-bottom: 24px;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  line-height: 1.8;
}

/* 额度动画+促销动画区 */
.animations-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin: 50px 0;
  flex-wrap: wrap;
}

.animation-box {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 30px 40px;
  text-align: center;
  min-width: 200px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.animation-box-left {
  border-color: rgba(245, 158, 11, 0.3);
}

.animation-box-right {
  border-color: rgba(249, 115, 22, 0.3);
}

.animation-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.animation-value {
  font-size: 42px;
  font-weight: 800;
  font-family: 'DM Sans', monospace;
  color: var(--gold-quota);
  margin-bottom: 8px;
  animation: countUp 2s ease-out infinite;
}

.animation-box-right .animation-value {
  color: var(--orange-promo);
  animation: flash 1s ease-in-out infinite;
}

.animation-label {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
}

.animations-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.animations-connector .equals {
  font-size: 36px;
  color: white;
  font-weight: 700;
}

.animations-connector .formula {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.hero-formula {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 20px 30px;
  margin-bottom: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-formula p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 额度动画 */
@keyframes countUp {
  0% {
    opacity: 0.5;
    transform: translateY(10px);
  }
  50% {
    opacity: 1;
    transform: translateY(-5px);
  }
  100% {
    opacity: 0.5;
    transform: translateY(10px);
  }
}

/* 促销动画 */
@keyframes flash {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ============================================
   7. 首页专属：额度盛宴/大额度/流量卡POS
   ============================================ */

/* 额度盛宴说明区 */
.quota-feast {
  background: var(--bg-page);
  position: relative;
}

.quota-feast::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold-quota), var(--orange-promo), var(--uni-blue));
}

.quota-feast .grid-3 .card {
  border-top: 4px solid var(--gold-quota);
}

.quota-feast .card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.quota-feast .card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.quota-feast .card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.quota-feast-emphasis {
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-light));
  color: white;
  padding: 24px;
  border-radius: var(--radius);
  margin-top: 32px;
  text-align: center;
}

.quota-feast-emphasis p {
  font-size: 16px;
  line-height: 1.8;
}

/* 大额度说明区 */
.high-quota {
  background: white;
}

.high-quota .grid-3 .card {
  border-top: 4px solid var(--uni-blue);
}

.high-quota .card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.high-quota .card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.high-quota .card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.high-quota-emphasis {
  background: var(--bg-page);
  padding: 24px;
  border-radius: var(--radius);
  margin-top: 32px;
  text-align: center;
  border-left: 4px solid var(--uni-blue);
}

/* 流量卡POS展示区 */
.pos-showcase {
  background: var(--bg-page);
}

.pos-products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pos-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border-top: 4px solid var(--uni-blue);
  position: relative;
}

.pos-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  width: 60%;
  height: 2px;
  background: var(--gold-quota);
}

.pos-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pos-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--bg-light);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.pos-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.pos-model {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.pos-tags {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.pos-features {
  text-align: left;
  margin-bottom: 24px;
}

.pos-features li {
  padding: 8px 0;
  color: var(--text-body);
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pos-features li:last-child {
  border-bottom: none;
}

.pos-features li::before {
  content: '✓';
  color: var(--uni-blue);
  font-weight: 700;
}

.pos-showcase-emphasis {
  text-align: center;
  margin-top: 40px;
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.pos-showcase-emphasis span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: white;
  border-radius: 25px;
  font-size: 15px;
  color: var(--uni-blue);
  font-weight: 600;
  box-shadow: var(--card-shadow);
}

/* 为什么选额度盛宴 */
.why-choose {
  background: white;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.reason-card {
  background: var(--bg-page);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
}

.reason-card:hover {
  border-color: var(--uni-blue);
  transform: translateY(-4px);
}

.reason-number {
  font-size: 32px;
  font-weight: 800;
  font-family: 'DM Sans', monospace;
  color: var(--uni-blue);
  margin-bottom: 12px;
}

.reason-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.reason-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.reason-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* 四品牌额度盛宴对比 */
.brand-compare-hero {
  background: var(--bg-page);
}

.brand-compare-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.brand-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.brand-card-highlight {
  border: 3px solid var(--uni-blue);
  position: relative;
}

.brand-card-highlight::before {
  content: '推荐';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--uni-blue);
  color: white;
  padding: 4px 16px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.brand-angle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
}

.brand-features {
  text-align: left;
}

.brand-features li {
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-body);
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-features li:last-child {
  border-bottom: none;
}

.brand-features li.positive {
  color: var(--uni-blue);
  font-weight: 600;
}

.brand-features li.negative {
  color: var(--text-muted);
}

.brand-compare-conclusion {
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-light));
  color: white;
  padding: 24px;
  border-radius: var(--radius);
  margin-top: 32px;
  text-align: center;
}

.brand-compare-conclusion p {
  font-size: 15px;
  line-height: 1.8;
}

/* 底部CTA申请区 */
.cta-section {
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-light));
  padding: 80px 20px;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: 32px;
  font-weight: 800;
  color: white;
  margin-bottom: 24px;
}

.cta-features {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.cta-features span {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cta-form {
  background: var(--uni-blue-dark);
  border-radius: var(--radius);
  padding: 32px;
  text-align: left;
}

.cta-form .form-input,
.cta-form .form-select {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
}

.cta-form .form-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.cta-form .form-input:focus {
  border-color: var(--gold-quota);
  background: rgba(255, 255, 255, 0.15);
}

.cta-form .form-select option {
  background: var(--uni-blue-dark);
  color: white;
}

.cta-form .btn {
  width: 100%;
}

.cta-note {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   8. 大额度页专属：科普/5大优势/对比/FAQ
   ============================================ */

/* 额度金Hero背景 */
.gold-hero {
  background: linear-gradient(135deg, var(--gold-quota), var(--gold-quota-dark));
  padding: 140px 20px 80px;
  text-align: center;
}

.gold-hero .hero-title {
  color: var(--uni-blue-dark);
}

.gold-hero .hero-subtitle {
  color: rgba(30, 64, 175, 0.8);
}

/* 科普区 */
.science-section {
  background: white;
}

.science-content {
  max-width: 800px;
  margin: 0 auto;
}

.science-intro {
  background: var(--bg-page);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 32px;
  border-left: 4px solid var(--gold-quota);
}

.science-list {
  display: grid;
  gap: 16px;
}

.science-item {
  background: white;
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--card-shadow);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.science-item-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.science-item-content h4 {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.science-item-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.science-conclusion {
  background: linear-gradient(135deg, var(--gold-quota), var(--gold-quota-dark));
  color: white;
  padding: 24px;
  border-radius: var(--radius);
  margin-top: 32px;
  text-align: center;
}

.science-conclusion p {
  font-size: 15px;
  line-height: 1.8;
}

/* 5大优势 */
.advantages-5 {
  background: var(--bg-page);
}

.advantages-5 .grid-3 {
  margin-bottom: 32px;
}

.advantages-5 .card {
  border-top: 4px solid var(--gold-quota);
}

.advantages-5 .card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.advantages-5 .card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.advantages-5 .card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 三方额度对比 */
.three-way-compare {
  background: white;
}

.three-way-table {
  max-width: 900px;
  margin: 0 auto;
}

/* ============================================
   9. 限时优惠页专属：科普/5大优势/对比/FAQ
   ============================================ */

/* 盛宴橙Hero背景 */
.orange-hero {
  background: linear-gradient(135deg, var(--orange-promo), var(--orange-promo-dark));
  padding: 140px 20px 80px;
  text-align: center;
}

/* ============================================
   10. 对比页专属：4维度对比/4角度说明
   ============================================ */

.compare-page-hero {
  background: linear-gradient(135deg, var(--uni-blue), var(--uni-blue-light));
  padding: 140px 20px 80px;
  text-align: center;
}

.compare-page-hero .hero-title {
  color: white;
}

.compare-page-hero .hero-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.dimension-compare {
  background: var(--bg-page);
}

.angle-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.angle-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.angle-card:first-child {
  border: 3px solid var(--uni-blue);
}

.angle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.angle-card:first-child:hover {
  border-color: var(--uni-blue-light);
}

.angle-brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
}

.angle-card:first-child .angle-brand {
  color: var(--uni-blue);
  border-bottom-color: var(--uni-blue);
}

.angle-type {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.angle-card:first-child .angle-type {
  color: var(--uni-blue);
}

.angle-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   11. 滚动动画（额度金线条引导）
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 滚动引导线 */
.scroll-indicator {
  position: fixed;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.scroll-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.scroll-dot.active {
  background: var(--gold-quota);
  transform: scale(1.3);
}

/* ============================================
   12. 响应式
   ============================================ */

/* 平板 */
@media (max-width: 1024px) {
  .section-title {
    font-size: 30px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-5,
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .brand-compare-grid,
  .angle-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* 手机 */
@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 26px;
  }
  
  .section-subtitle {
    font-size: 15px;
    margin-bottom: 32px;
  }
  
  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }
  
  .hero-title {
    font-size: 28px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .animations-container {
    flex-direction: column;
    gap: 20px;
    margin: 30px 0;
  }
  
  .animation-box {
    width: 100%;
    min-width: auto;
    padding: 20px;
  }
  
  .animation-value {
    font-size: 32px;
  }
  
  .animations-connector {
    flex-direction: row;
    gap: 16px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 {
    grid-template-columns: 1fr;
  }
  
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pos-products {
    grid-template-columns: 1fr;
  }
  
  .brand-compare-grid,
  .angle-cards {
    grid-template-columns: 1fr;
  }
  
  .cta-features {
    flex-direction: column;
    gap: 12px;
  }
  
  .cta-form {
    padding: 24px;
  }
  
  .footer {
    padding: 40px 0 0;
  }
  
  .gold-hero,
  .orange-hero,
  .compare-page-hero {
    padding: 100px 20px 60px;
  }
  
  .gold-hero .hero-title,
  .orange-hero .hero-title,
  .compare-page-hero .hero-title {
    font-size: 32px;
  }
  
  .scroll-indicator {
    display: none;
  }
  
  .compare-table {
    font-size: 13px;
  }
  
  .compare-table th,
  .compare-table td {
    padding: 12px 8px;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title {
    font-size: 24px;
  }
  
  .section-title {
    font-size: 22px;
  }
  
  .reasons-grid {
    grid-template-columns: 1fr;
  }
  
  .pos-tags {
    flex-direction: column;
    align-items: center;
  }
  
  .pos-showcase-emphasis {
    flex-direction: column;
    align-items: center;
  }
}

/* ============================================
   13. 额度动画样式（首创！）
   ============================================ */

.quota-animation-container {
  position: relative;
  display: inline-block;
}

.quota-number {
  font-size: 48px;
  font-weight: 800;
  font-family: 'DM Sans', monospace;
  color: var(--gold-quota);
  text-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.quota-number::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -20px;
  width: 0;
  height: 2px;
  background: var(--gold-quota);
  animation: lineExpand 2s ease-out infinite;
}

@keyframes lineExpand {
  0% {
    width: 0;
    opacity: 1;
  }
  100% {
    width: 20px;
    opacity: 0;
  }
}

.quota-suffix {
  font-size: 24px;
  color: rgba(255, 255, 255, 0.8);
  margin-left: 4px;
}

/* 数字滚动效果 */
.number-scroll {
  display: inline-flex;
  overflow: hidden;
}

.number-scroll span {
  display: inline-block;
  animation: scrollNumber 2s ease-in-out infinite;
}

.number-scroll span:nth-child(1) { animation-delay: 0s; }
.number-scroll span:nth-child(2) { animation-delay: 0.1s; }
.number-scroll span:nth-child(3) { animation-delay: 0.2s; }
.number-scroll span:nth-child(4) { animation-delay: 0.3s; }
.number-scroll span:nth-child(5) { animation-delay: 0.4s; }
.number-scroll span:nth-child(6) { animation-delay: 0.5s; }

@keyframes scrollNumber {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
    opacity: 0;
  }
}

/* ============================================
   14. 促销动画样式（首创！）
   ============================================ */

.promo-animation-container {
  position: relative;
  display: inline-block;
}

.promo-countdown {
  font-size: 48px;
  font-weight: 800;
  font-family: 'DM Sans', monospace;
  color: var(--orange-promo);
  animation: promoFlash 1s ease-in-out infinite;
}

@keyframes promoFlash {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

.promo-label {
  display: block;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
  animation: labelPulse 2s ease-in-out infinite;
}

@keyframes labelPulse {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}

/* 倒计时数字闪烁 */
.countdown-number {
  animation: countdownPulse 1s ease-in-out infinite;
}

.countdown-number:nth-child(1) { animation-delay: 0s; }
.countdown-number:nth-child(2) { animation-delay: 0.2s; }
.countdown-number:nth-child(3) { animation-delay: 0.4s; }

@keyframes countdownPulse {
  0%, 100% {
    opacity: 1;
    color: var(--orange-promo);
  }
  50% {
    opacity: 0.5;
    color: rgba(249, 115, 22, 0.3);
  }
}

/* ============================================
   15. 特殊效果增强
   ============================================ */

/* 卡片悬浮金线效果 */
.card-glow {
  position: relative;
}

.card-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold-quota), var(--orange-promo), var(--uni-blue));
  opacity: 0;
  transition: var(--transition);
}

.card-glow:hover::before {
  opacity: 1;
}

/* 按钮悬浮光效 */
.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-glow:hover::after {
  transform: translateX(100%);
}

/* 背景装饰 */
.bg-decoration {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.bg-circle {
  border-radius: 50%;
  opacity: 0.05;
}

.bg-circle-1 {
  width: 400px;
  height: 400px;
  background: var(--uni-blue);
  top: -100px;
  right: -100px;
}

.bg-circle-2 {
  width: 300px;
  height: 300px;
  background: var(--gold-quota);
  bottom: -50px;
  left: -50px;
}

/* 页面过渡 */
.page-transition {
  animation: pageIn 0.5s ease-out;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 特殊徽章 */
.special-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--gold-quota), var(--orange-promo));
  color: white;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* 推荐标签 */
.recommend-tag {
  position: absolute;
  top: -10px;
  right: -10px;
  background: linear-gradient(135deg, var(--gold-quota), var(--orange-promo));
  color: white;
  padding: 6px 14px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* 进度指示器 */
.progress-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}

.progress-dot.active {
  background: var(--uni-blue);
  transform: scale(1.2);
}

.progress-dot.completed {
  background: var(--gold-quota);
}